package com.imooc.controller.center;

import com.imooc.controller.BaseController;
import com.imooc.controller.center.resoures.FileUpload;
import com.imooc.pojo.Users;
import com.imooc.pojo.bo.UserBO;
import com.imooc.pojo.bo.center.CenterUserBO;
import com.imooc.pojo.vo.UserVO;
import com.imooc.service.center.CenterUserService;
import com.imooc.utils.CookieUtils;
import com.imooc.utils.DateUtil;
import com.imooc.utils.IMOOCJSONResult;
import com.imooc.utils.JsonUtils;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import io.swagger.annotations.ApiParam;
import org.apache.commons.io.IOUtils;
import org.apache.commons.lang3.StringUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.validation.BindingResult;
import org.springframework.validation.FieldError;
import org.springframework.web.bind.annotation.*;
import org.springframework.web.multipart.MultipartFile;
import sun.nio.ch.IOUtil;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

/**
 * @PACKAGE_NAME: com.imooc.controller.center
 * @NAME: CenterUSers
 * @USER: code.rookie
 * @DATE: 2020/6/26
 * @TIME: 7:21 下午
 * @DAY_NAME_SHORT: 周五
 * @PROJECT_NAME: foodie-dev
 * @Desc:
 */
@RestController
@RequestMapping("userInfo")
@Api(value = "用户信息接口",tags = {"用户信息接口"})
public class CenterUserController extends BaseController {
    @Autowired
    private CenterUserService userService;
    @Autowired
    private FileUpload  fileUpload;
    @ApiOperation(value = "用户头像修改", notes = "用户头像修改", httpMethod = "POST")
    @PostMapping("uploadFace")
    public IMOOCJSONResult uploadFace(
            @ApiParam(name = "userId", value = "用户id", required = true)
            @RequestParam String userId,
            @ApiParam(name = "file", value = "用户头像", required = true)
                    MultipartFile file,
            HttpServletRequest request, HttpServletResponse response) {

        // .sh .php

        // 定义头像保存的地址
       // String fileSpace = IMAGE_USER_FACE_LOCATION;
        String fileSpace = fileUpload.getImageUserFaceLocation();
        // 在路径上为每一个用户增加一个userid，用于区分不同用户上传
        String uploadPathPrefix = File.separator + userId;
        System.out.println(file);
        // 开始文件上传
        if (file != null) {
            FileOutputStream fileOutputStream = null;
            try {
                // 获得文件上传的文件名称
                String fileName = file.getOriginalFilename();

                if (StringUtils.isNotBlank(fileName)) {

                    // 文件重命名  imooc-face.png -> ["imooc-face", "png"]
                    String fileNameArr[] = fileName.split("\\.");

                    // 获取文件的后缀名
                    String suffix = fileNameArr[fileNameArr.length - 1];

                    if (!suffix.equalsIgnoreCase("png") &&
                            !suffix.equalsIgnoreCase("jpg") &&
                            !suffix.equalsIgnoreCase("jpeg") ) {
                        return IMOOCJSONResult.errorMsg("图片格式不正确！");
                    }

                    // face-{userid}.png
                    // 文件名称重组 覆盖式上传，增量式：额外拼接当前时间
                    String newFileName = "face-" + userId + "." + suffix;

                    // 上传的头像最终保存的位置
                    String finalFacePath = fileSpace + uploadPathPrefix + File.separator + newFileName;
                    // 用于提供给web服务访问的地址
                    uploadPathPrefix += ("/" + newFileName);

                    File outFile = new File(finalFacePath);
                    if (outFile.getParentFile() != null) {
                        // 创建文件夹
                        outFile.getParentFile().mkdirs();
                    }

                    // 文件输出保存到目录
                    fileOutputStream = new FileOutputStream(outFile);
                    InputStream inputStream = file.getInputStream();
                    IOUtils.copy(inputStream, fileOutputStream);
                }
            } catch (IOException e) {
                e.printStackTrace();
            } finally {
                try {
                    if (fileOutputStream != null) {
                        fileOutputStream.flush();
                        fileOutputStream.close();
                    }
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }

        } else {
            return IMOOCJSONResult.errorMsg("文件不能为空！");
        }

        // 获取图片服务地址
        String imageServerUrl = fileUpload.getImageServerUrl();

        // 由于浏览器可能存在缓存的情况，所以在这里，我们需要加上时间戳来保证更新后的图片可以及时刷新
        String finalUserFaceUrl = imageServerUrl + uploadPathPrefix
                + "?t=" + DateUtil.getCurrentDateString(DateUtil.DATE_PATTERN);

        // 更新用户头像到数据库
        //  后续要改，增加令牌token，会整合进redis，分布式会话
        Users userResult = userService.updateUserFace(userId, finalUserFaceUrl);
        UserVO userVO = conventUserVO(userResult);
//        userResult = setNullProperty(userResult);
        CookieUtils.setCookie(request, response, "user",
                JsonUtils.objectToJson(userVO), true);



        return IMOOCJSONResult.ok();
    }
    @ApiOperation(value = "修改用户信息",notes ="修改用户信息",httpMethod = "POST")
    @PostMapping("update")
    public IMOOCJSONResult update(
            @ApiParam(name = "用户id",value = "用户id",required = true)
            @RequestParam String userId,
            @RequestBody CenterUserBO centerUserBO,
            HttpServletResponse response,
            BindingResult result,
            HttpServletRequest request
    ){
        if (result.hasErrors()){
           Map<String,String>  map = getErrors(result);
           return IMOOCJSONResult.errorMap(map);
        }
        Users users = userService.updateUserInfo(userId,centerUserBO);
        UserVO userVO = conventUserVO(users);
        users = setNullProperty(users);
        CookieUtils.setCookie(request,response,"user", JsonUtils.objectToJson(userVO),true);



        return IMOOCJSONResult.ok(users);
    }
    private Map<String,String> getErrors(BindingResult bindingResult){
        Map<String,String> map = new HashMap<>();
        List<FieldError> errors = bindingResult.getFieldErrors();
        for (FieldError error : errors) {
            //发生验证错误的属性String
            String errorField = error.getField();
            //验证错误的信息
            String errorMsg = error.getDefaultMessage();
            map.put(errorField,errorMsg);
        }
        return  map;
    }
    private Users setNullProperty(Users users){
        users.setPassword(null);
        users.setMobile(null);
        users.setEmail(null);
        users.setCreatedTime(null);
        users.setUpdatedTime(null);
        users.setBirthday(null);
        return users;
    }
}
